eISSN: 1897-4252
ISSN: 1731-5530
Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery
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2/2021
vol. 18
 
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abstract:
Original paper

Self-care training and informational support of patients with a mechanical heart valve on the international normalized ratio and bleeding complications

Shirdel Zandi
1
,
Behzad Imani
2
,
Safarpour Gholamreza
3

1.
MS Student, Department of Operating Room, Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran
2.
Department of Operating Room, School of Paramedicine, Hamadan University of Medical Sciences, Hamadan, Iran
3.
Department of Heart Surgery, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
Kardiochirurgia i Torakochirurgia Polska 2021; 18 (2): 80-86
Online publish date: 2021/07/05
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Introduction
The aim of the study was to determine the effect of self-care training and informational support of patients with a mechanical heart valve on the international normalized ratio (INR) and bleeding complications.

Material and methods
Design: A quasi-experimental study. Participants were recruited via convenience sampling and were randomly divided into two groups: control (n = 80) and intervention (n = 80). Participants in the control group received only routine training; in addition, the intervention group received 6 sessions of self-care training and 6 months of informational support. Monthly the level of INR and incidence of bleeding were determined. Data were analyzed using the independent t-test and c2 in SPSS16 software at a significance level of 0.05.

Results
During 6 months of follow-up, except for the third month, the frequency of INR levels in the therapeutic target range (2.5–3.5) in the intervention group was significantly higher than that in the control group (p < 0.05). Also in the intervention group, the incidence of bleeding complications was lower than that in the control group, but this difference was not statistically significant (p > 0.05).

Conclusions
Proper self-care training and informational support in patients with mechanical heart valve replacement have positive results. By maintaining self-care, the level of a therapeutic target range of INR can be maintained and the incidence of bleeding complications can be reduced.

keywords:

self-care, heart valve replacement, international normalized ratio, bleeding complications

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